Peruvian Hairless Dog
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The Peruvian Hairless Dog, Peruvian viringo, naked dog, or Chimú dog is one of several breeds of
hairless dog A hairless dog is a dog with a Genetics, genetic disposition for hairlessness and hair loss. There are two known types of genetic hairlessness, a Dominant gene, dominant and a recessive type. The dominant type is caused by ectodermal dysplasia as ...
. It is native to
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...
and it is usually raised as a pet. It has been officially recognized as part of Peru's
cultural heritage Cultural heritage is the heritage of tangible and intangible heritage assets of a group or society that is inherited from past generations. Not all heritages of past generations are "heritage"; rather, heritage is a product of selection by soci ...
.


Appearance

According to the FCI
breed standard In animal husbandry or animal fancy, a breed standard is a description of the characteristics of a hypothetical or ideal example of a breed. The description may include physical or morphological detail, genetic criteria, or criteria of athletic ...
, the most important aspect of its appearance is its hairlessness. The dog may have short hair on top of its head, on its feet, and on the tip of its tail. In Peru, breeders tend to prefer completely hairless dogs. The color of skin can be chocolate-brown, elephant-grey, copper, or mottled. They can be totally one color or one color with tongue pink spots.
Albinism Albinism is the congenital absence of melanin in an animal or plant resulting in white hair, feathers, scales and skin and pink or blue eyes. Individuals with the condition are referred to as albino. Varied use and interpretation of the term ...
is not accepted. The eye color is linked to the skin color. It is always brown, but dogs with light colors can have clearer eyes than darker-skinned dogs. Peruvian Hairless Dogs come in three sizes: *Small 25 – 40 cm (10 – 16 inches) *Medium 40 – 50 cm (16 – 20 inches) *Large 50 – 65 cm (20 – 26 inches) Weight is also varied according to size : *Small 4 – 8 kg (9 – 18 lbs) *Medium 8 – 12 kg (18 – 26 lbs) *Large 12 – 25 kg (26 – 55 lbs) The dogs should be slim and elegant, with the impression of force and harmony, without being coarse. The ears should be candle-flame shaped and erect with the possibility to lay flat. Proportions of height (at
withers The withers is the ridge between the shoulder blades of an animal, typically a quadruped. In many species, it is the tallest point of the body. In horses and dogs, it is the standard place to measure the animal's height. In contrast, cattle ar ...
) to length (withers to base of tail) are 1:1.


Temperament

The breed's bald bodies radiate heat. Many in Peru use the dogs as living hot-water bottles for warmth at night, or
pain management Pain management is an aspect of medicine and health care involving relief of pain (pain relief, analgesia, pain control) in various dimensions, from acute and simple to chronic and challenging. Most physicians and other health professionals pr ...
. They are intelligent, affectionate with family, but wary of strangers, and very protective of women and children in the family. The breed is typically lively, alert and friendly with other dogs. They are agile and fast, and many of them enjoy sight-hunting small rodents. These dogs do not like to be alone, but when trained, can do well. They tend to know their allowed territories and respect it. These dogs are intolerant of extreme temperatures, although they are quite comfortable wearing clothing and will even play in the snow if dressed warmly. They generally require an owner that understands
dog language Dog communication is the transfer of information between dogs, as well as between dogs and humans. Behaviors associated with dog communication are categorized into visual and vocal. Visual communication includes mouth shape and head position, li ...
and are not recommended for beginners. They learn fast, and they are very smart, but get bored easily with repetitious games like "fetch".


Care

The lack of hair leads to a reputation for being easy to wash and for a natural lack of
flea Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by ingesting the blood of their hosts. Adult fleas grow to about long, a ...
s. The breed does not cause typical allergic reactions to dog-sensitive humans because they lack the normal dog dander. Dogs should be washed from time to time to remove dirt and prevent clogging of pores. Baby cleaners are a good choice provided that they do not contain
lanolin Lanolin (from Latin 'wool', and 'oil'), also called wool yolk, wool wax, or wool grease, is a wax secreted by the sebaceous glands of wool-bearing animals. Lanolin used by humans comes from domestic sheep breeds that are raised specifically fo ...
. Some dogs are prone to have
acne Acne, also known as ''acne vulgaris'', is a long-term Cutaneous condition, skin condition that occurs when Keratinocyte, dead skin cells and Sebum, oil from the skin clog hair follicles. Typical features of the condition include comedo, black ...
or at least
blackhead A comedo is a clogged hair follicle (pore) in the skin. Keratin (skin debris) combines with oil to block the follicle. A comedo can be open (blackhead) or closed by skin (whitehead) and occur with or without acne. The word "comedo" comes from the ...
s. The skin sometimes becomes too dry and can then be treated with moisturizing cream. Again, baby lotion without lanolin is a good product choice to soften and moisturize cleansed skin. The dogs seem to prefer olive oil, vegetable oil, or coconut oil, possibly because of the perfumes and other chemicals found in commercial moisturizing creams.
Sunscreen Sunscreen, also known as sunblock or sun cream, is a photoprotective topical product for the skin that mainly absorbs, or to a much lesser extent reflects, some of the sun's ultraviolet (UV) radiation and thus helps protect against sunburn and ...
may be useful during summer for lightly colored/white dogs. When out-breeding Peruvians typically select dark-coated dogs to ensure puppies with dark skin. Protection against cold is necessary when the dog is not able to move around at its own speed under adverse weather conditions. Sensitivity to cold may vary from dog to dog. Smaller dogs seem to be more sensitive to the cold than larger dogs. Even so, the dogs are kept in
Puno Puno (Aymara and qu, Punu) is a city in southeastern Peru, located on the shore of Lake Titicaca. It is the capital city of the Puno Region and the Puno Province with a population of approximately 140,839 (2015 estimate). The city was establish ...
at 3,800 meters altitude, where the average temperature is 15 degrees Celsius, and are fairly common in
Cusco Cusco, often spelled Cuzco (; qu, Qusqu ()), is a city in Southeastern Peru near the Urubamba Valley of the Andes mountain range. It is the capital of the Cusco Region and of the Cusco Province. The city is the list of cities in Peru, seventh m ...
at 3,400 meters. The rims of the ears sometimes need special attention as they can become dry and cracked.


Genetics and health

The gene that causes hairlessness also results in the breed often having fewer teeth than other breeds,mostly lacking molars and premolars. All are born with full sets of puppy teeth, but these are not fully replaced by adult teeth as they naturally fall out, leaving them with varying levels of adult dentition. The hairlessness trait is a dominant double lethal mutation, which means that homozygotic hairlessness does not exist. Homozygous embryos, those with two copies of the gene, do not develop in the womb. This results in an average birthrate of 2:1, hairless:coated. While they are recognized by the
American Kennel Club The American Kennel Club (AKC) is a registry of purebred dog pedigrees in the United States. In addition to maintaining its pedigree registry, this kennel club also promotes and sanctions events for purebred dogs, including the Westminster Kenn ...
(AKC) for its Foundation Stock Service as Peruvian Inca Orchids, they cannot be shown at AKC shows. They are also registerable with FCI,
United Kennel Club The United Kennel Club (UKC) is a kennel club founded in 1898 in the United States. In contrast with the American Kennel Club, which is non-profit and which only clubs can join, the United Kennel Club is a profit-making corporation, open to indivi ...
, National Kennel Club, APRI, ACR registries. Some breeders think that interbreeding with coated (Peruvian) dogs is required to maintain functional teeth and nervous system health in subsequent generations. They say that breeding of hairless with hairless (and common but unacknowledged
cull In biology, culling is the process of segregating organisms from a group according to desired or undesired characteristics. In animal breeding, it is the process of removing or segregating animals from a breeding stock based on a specific tr ...
ing of coated pups from litters to maintain a "pure" image) leads to short-lived dogs with serious health problems. However, other breeders (especially in Peru) think the opposite and that they are doing well (and have been for centuries). Peruvian non-breeder families typically out-breed with coated dogs every second or third generation to keep them healthy. Like all dog breeds, there are some health problems. These include Inflammatory Bowel Disease, seizures, stroke, and skin lesions. The dogs are very sensitive to toxins and care should be taken in the use of insecticides. Insecticides are absorbed through the skin and body fat keeps these toxins from entering the liver too quickly. Since these dogs have very low body fat, toxins are absorbed too quickly and cause severe damage to the nervous system and GI tract.


History

The Peruvian Hairless Dog is often perceived to be an Incan dog because it is known to have been kept during the
Inca Empire The Inca Empire (also known as the Incan Empire and the Inka Empire), called ''Tawantinsuyu'' by its subjects, (Quechua for the "Realm of the Four Parts",  "four parts together" ) was the largest empire in pre-Columbian America. The admin ...
(the Spaniards classified them as one of the six different breeds of dogs in the empire), they were also kept as pets in pre-Inca cultures from the Peruvian northern coastal zone. Ceramic hairless dogs from the
Chimú Chimor (also Kingdom of Chimor or Chimú Empire) was the political grouping of the Chimú culture. The culture arose about 900 AD, succeeding the Moche culture, and was later conquered by the Inca emperor Topa Inca Yupanqui around 1470, fifty y ...
, Moche, and
Vicus In Ancient Rome, the Latin term (plural ) designated a village within a rural area () or the neighbourhood of a larger settlement. During the Republican era, the four of the city of Rome were subdivided into . In the 1st century BC, Augustus r ...
culture are well known. Depictions of Peruvian hairless dogs appear around A.D. 750 on Moche ceramic vessels and continue in later Andean ceramic traditions. Peruvian Hairless Dogs are now a symbol of Peru and part of its national heritage, celebrated in art and literature. The
Fédération Cynologique Internationale The Fédération cynologique internationale (FCI) (English: International Canine Federation) is the largest international federation of national kennel clubs. It is based in Thuin, Belgium. History The FCI was founded in 1911 under the auspices ...
(FCI) accepted the breed and adopted an official
breed standard In animal husbandry or animal fancy, a breed standard is a description of the characteristics of a hypothetical or ideal example of a breed. The description may include physical or morphological detail, genetic criteria, or criteria of athletic ...
. Before that time, in the United States, some enthusiasts created another type of Peruvian hairless dog, the Peruvian Inca Orchid. The Peruvian Inca Orchid is recognized by the AKC and all recognized dogs are descendants of 13 dogs brought from Peru in the early 20th century. The UKC also recognized the breed in recent years.


DNA evidence

In 2018, an analysis of DNA from the entire
cell nucleus The cell nucleus (pl. nuclei; from Latin or , meaning ''kernel'' or ''seed'') is a membrane-bound organelle found in eukaryotic cells. Eukaryotic cells usually have a single nucleus, but a few cell types, such as mammalian red blood cells, h ...
indicated that dogs entered North America from Siberia 4,500 years after humans did, were isolated for the next 9,000 years, and after contact with Europeans these no longer exist because they were replaced by Eurasian dogs. The pre-contact dogs exhibit a unique genetic signature that is now gone.


See also

* Dogs portal *
List of dog breeds This list of dog breeds includes both Neontology#Extant taxa versus extinct taxa, extant and extinct dog breeds, Designer breed, varieties, landraces, and dog types. A research article on genomics, dog genomics published in Science/AAAS defines m ...
*
American Hairless Terrier The American Hairless Terrier is a breed of companion dog from the United States that was developed from naturally hairless Rat Terriers. History In 1972 a completely hairless bitch pup was whelped in a litter of purebred Rat Terriers owned by Wil ...
*
Chinese Crested Dog The Chinese Crested Dog is a hairless breed of dog. Like most hairless dog breeds, the Chinese Crested Dog comes in three varieties, with hair, without hair and a combination of the two, which can be born in the same litter: the Powderpuff, the Ha ...
*
Chiribaya Dog The Chiribaya Dog ( es, perro Chiribaya) or Peruvian Shepherd Dog (') is an extinct pre-Columbian breed of dog from the southwest of Peru. It has been established that it was a llama herding dog. The dogs were not only an important part of the ...
, also known as Peruvian Shepherd Dog *
Rare breed (dog) A dog breed is a particular strain of dog that was purposefully bred by humans to perform specific tasks, such as herding, hunting, and guarding. Dogs are the most variable mammal on Earth, with artificial selection producing around 450 globally ...
* Sphynx or Canadian Hairless Cat *
Xoloitzcuintle The Xoloitzcuintle (or Xoloitzquintle, Xoloitzcuintli, or Xolo) is one of several breeds of hairless dog. It is found in standard, intermediate, and miniature sizes. The Xolo also comes in a coated variety, totally covered in fur. Coated and hairl ...


References


External links

* {{Primitive dogs Dog breeds originating in Peru FCI breeds Hairless dogs Indigenous topics of the Andes Rare dog breeds